Question

Решите все задания на карточке.Спасибо с:

Answer 1

1-5/8=8/8-5/8=3/8
1+2 5/16=3 5/16
8-5/12=7 12/12-5/12=7 7/12
4-1 2/3=3 3/3-1 2/3=2 1/3
5 2/16+3 5/12=5 6/48+3 20/48=8 26/48=8 13/24
9 4/21-4 11/14=9 8/42-4 33/42=8 50/42-4 33/42=4 17/42
5 5/33-4 7/22=5 10/66-4 21/66=4 76/66-4 21/66=55/66=5/6
7-х=3 1/3
-х=3 1/3-7
-х=-3 2/3
х=3 2/3
у+3 5/9=5 4/9
у=5 4/9-3 5/9
у=4 13/9-3 5/9
у=1 8/9